Geometria Computacional Introdução Pontos OJ 10585 - Center of symmetry Retas Definição Codeforces Beta Round #7 - Problem C: Line Vetores AtCoder Beginner Contest 259 - Problem B: Counterclockwise Rotation Produtos vetoriais Educational Codeforces Round 1 - Problem C: Nearest vectors Algoritmos OJ 11343 - Isolated Segments Círculos Definição OJ 10209 - Is This Integration? OJ 10221 - Satellites Algoritmos Codeforces Beta Round #2 - Problem C: Commentator Problem Educational Codeforces Round 2 - Problem D: Area of Two Circle's Intersection Triângulos OJ 10991 - Region Educational Codeforces Round 50 - Problem A: Function Height Quadriláteros Codeforces Beta Round #1 - Problem A: Theatre Square OJ 460 - Overlapping Rectangles Polígonos Definição Codeforces Beta Round #1 - Problem C: Ancient Berland Circus OJ 11265 - The Sultan's Problem Treliças Codechef - Ant Colony OJ 10088 - Trees on My Island Objetos Tridimensionais OJ 10297 - Beavergnaw Envoltório Convexo Definição Algoritmo de Graham OJ 10652 - Board Wrapping Cadeia Monótona de Andrew Sweep line Definição e exemplos Algoritmos Codeforces Round #329 (Div. 2) -- Problem B: Anton and Lines OJ 10245 - The Closest Pair Problem